<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn"%>
<%-- ${pageContext.request.contextPath} --%>
<c:set var="ctx" value="${pageContext.request.contextPath}" />
<c:set var="tracker_server" value="http://10.1.1.112/" />
